| Filed | Form | Description | |
|---|---|---|---|
| 2/9/26 | DEF 14C | DEF 14C | → |
| 1/30/26 | PRE 14C | PRE 14C | → |
| 7/29/25 | DEF 14C | DEF 14C | → |
| 7/18/25 | PRE 14C | PRE 14C | → |
| 5/27/21 | DEF 14A | DEF 14A | → |
| 5/17/21 | DEFA14A | DEFA14A | → |
| ↓ | |||
| Filed | Form | Description | |
|---|---|---|---|
| 10/23/25 | 4 | 4 | → |
| 10/21/25 | 4 | 4 | → |
| 9/11/25 | 4 | PRIMARY DOCUMENT | → |
| 8/8/25 | 4 | 4 | → |
| 8/6/25 | 4 | 4 | → |
| 1/10/25 | 3 | 3 | → |
| ↓ | |||
Copper is a chemical element; it has symbol Cu and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity.